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[Multicentric liposarcoma. Apropos of a case]
M Kemula1, D Clerc, J Quillard
1Service de rhumatologie, hôpital de Bicêtre, Le Kremlin-Bicêtre, France.
La Revue De Medecine Interne
|April 30, 1999
Summary
Multiple myxoid liposarcomas, rare tumors, may originate from multiple primary sites rather than metastatic spread. This finding suggests a need for broader staging in diagnosing these rare cancers.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Multiple liposarcomas are rare, with secondary tumor development often occurring in typical primary locations.
- Myxoid liposarcomas may exhibit this phenomenon more frequently than other subtypes.
- The origin of multiple liposarcomas, whether multicentric or metastatic, remains a subject of debate.
Observation:
- A case of simultaneous, multicentric myxoid liposarcomas in the right popliteal fossa, retroperitoneum, and left arm soft tissue is presented.
- The liposarcomas were of varying sizes and diagnosed in a patient presenting with right knee pain.
- No pulmonary, hepatic, or osseous involvement was detected at the time of diagnosis.
Findings:
- The simultaneous occurrence of distinct myxoid liposarcomas supports a multicentric origin hypothesis.
- This case suggests that multiple liposarcomas can arise independently in different anatomical locations.
Implications:
- Initial and follow-up staging for multiple liposarcomas should include assessment of common metastatic sites as well as classical primary tumor locations.
- Understanding the multicentric origin is crucial for accurate diagnosis and treatment planning of liposarcoma.